Poorly Understood Cell Plays Role in Immunity Against the FluResearchers show, for the first time, that resident dendritic cells capture flu viruses, show them to B lymphocytes and launch an antibody attack. [Press release from Children’s Hospital Boston discussing online prepublication in Nature Immunology]

Immune Cells as Possible Nerve-Cell Killers in Alzheimer’s DiseaseAn international team under the leadership of Ludwig-Maximilians-Universität München has now shown that microglia cells may actually make a significant contribution to the loss of neurons associated with Alzheimer’s disease. [Press release from Ludwig-Maximilians-Universität München discussing online prepublication in Nature Neuroscience]

It’s the Law of the Land: Health Overhaul SignedClaiming a historic triumph that could define his presidency, a jubilant Barack Obama signed a massive, nearly $1 trillion health care overhaul on Tuesday that will for the first time cement insurance coverage as the right of every U.S. citizen and begin to reshape the way virtually all Americans receive and pay for treatment. [The White House, United States]

It’s the Law of the Land: Health Overhaul SignedClaiming a historic triumph that could define his presidency, a jubilant Barack Obama signed a massive, nearly $1 trillion health care overhaul on Tuesday that will for the first time cement insurance coverage as the right of every U.S. citizen and begin to reshape the way virtually all Americans receive and pay for treatment. [The White House, United States]